[eloox]

I don't know much about the history of these tests. Can Hanlon's razor principle be applied here?

[edent]

No. Look up to so called "literacy tests" used to disenfranchise voters. The people who designed those tests, and the "IQ" tests knew exactly what they were doing.

[mnw21cam]

Similarly, https://arxiv.org/abs/1110.1556 - the "Jewish Problems" that were extra-hard maths questions used to find an excuse to prevent certain students from getting into university.